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You prop yourself up with your arms as you keep up your wild fucking of your sister. She's still coming, and her face is awash with her orgasm. It's a truly beautiful sight. Then you twist her nipples again, and her eyes pop open looking straight into your soul. Now she grabs your head hard, and pulls you down to kiss you wildly, as her body explodes in an earth-shattering orgasm. Her legs squeeze your body and her pussy pounds on your cock like a milking machine.

You actually try to pull out of her, just before you come, but her athletic thighs are squeezing you too tightly. Then your vision goes red as your own massive orgasm takes over. You feel your cock spewing hot cum deep inside Sam's fertile womb, as your hips make quick jerks in and out of her furnace cunt.

"Oh, God, Max! So hot, so deep! Right where it belongs! Unh!" she shouts as her orgasm redoubles with the splash of cum inside her. She must be delirious from pleasure, or maybe her subconscious is talking out loud. You kiss her deeply as you fill her with your seed, and time seems to melt.

As your mutual orgasm fades a little, you are surprised when Sam rolls the two of you over on her bed, landing with her body on top of you. She lifts up above you, rocking up and down on your cock as she looks down on you. She has that same fiery gaze that looked through you a minute or an hour ago. As she keeps fucking you, she says, "I know you tried to pull out, and I appreciate that. I was just coming too hard to let you go -- I can't quite explain it." As she fucks you, you cup her modest breasts and fondle them. You look down and watch your glistening cock appear and disappear from Sam's sexy pussy. You look back up as your sister has another orgasm. Her tits quiver and shake in your hands as she moans her delight. "My body's not done with you yet, so we're going to keep fucking until it is. I hope you were telling the truth when you said you loved me, because I'm going to need to hold onto that if I get knocked up."

Without hesitation, you say, "I love you, Sam. And not just as a brother," as you know it to be true. Maybe this started as a puerile attempt to get in Sam's pussy, but you realize that have feelings for her, and always have.

Sam leans forward and bumps your face with her chest. You reach your neck up and suck a nipple. "Oh, good, because I don't think I can go back to being just your sister. After tonight, we use condoms and hope I don't get pregnant."

You cross your fingers and say, "Yes, condoms and hope." You love her, but you're not giving up on your desire to put a bun in her oven. 'Hope' is hoping that you can still impregnate her. Images of pinholes in condoms fill your head just before a scene of pregnant Sam with big tits fucking you in exactly this position takes its place. Sam has said she wants to keep having sex, and this is wonderful. You thrust your hips up to meet her descending body.

You fill your mind with thoughts of pregnant Sam while you fill your mouth with her nipples, back and forth. Sam fills her pussy with your cock and fills the room with her moans. You are amazed by how fast Sam is learning to be a good fuck -- her rocking motion is just perfect for stimulating your cock to best advantage.

Sam's pace picks up as her arousal increases until she quivers and groans into another very strong orgasm. Her pussy squeezes you hard and repeatedly, making you growl into her breast as your cock fountains cum deep within Sam's cunt and womb. Your mutual climax lasts seemingly forever, and then you both slump into the bed, lungs struggling to get enough air.

After a minute, Sam rolls off of you and cuddles into your chest. You put your arm around her and stroke her hair and shoulder.

'''What now?'''

*[[Go down on Sam]]

[[Category: Knocked Up Notions]]
[[Category: Priority]]